| Table 6. Likelihood values and p-value for the likelihood ratio test for the model reduction. It is entirely the users responsibility to ensure that a likelihood ratio test is meaningful. | ||||
| Model | Negative log likelihood | Number of parameters | Degrees of freedom | P value | 
| Current | 850.86 | 37 | ||
| Base | 770.50 | 32 | 5 | 1.0000 |